159123216 has 80 divisors (see below), whose sum is σ = 471362688. Its totient is φ = 45312000.

The previous prime is 159123193. The next prime is 159123221. The reversal of 159123216 is 612321951.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134146 + ... + 135326.

Almost surely, 2^159123216 is an apocalyptic number.

159123216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159123216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235681344).

159123216 is an abundant number, since it is smaller than the sum of its proper divisors (312239472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159123216 is a wasteful number, since it uses less digits than its factorization.

159123216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1594 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 159123216 is about 12614.4050989335. The cubic root of 159123216 is about 541.8900572650.

The spelling of 159123216 in words is "one hundred fifty-nine million, one hundred twenty-three thousand, two hundred sixteen".